This paper analysed permalloy audio heads and tapes for failure. 对磨损失效的坡莫合金录音磁头和磁带进行了分析。
Detailed illustration of the failure process and the essential wear out mecha-nism gives some new knowledge of theoretical value. 进而对高铬铸铁缸套的磨损失效过程及起主导作用的磨损机理进行了详细阐述,得出了一些新的具有理论价值的认识。